ISO 28721-4:2015现行
Vitreous and porcelain enamels - Glass-lined apparatus for process plants Part 4: Quality requirements for glass-lined flanged steel pipes and flanged steel fittings
出版：International Organization for Standardization
专家解读视频
Explains the quality requirements for glass-lined flanged steel pipes and flanged steel fittings used for process plants.
DIN EN ISO 28721-4 : 2016 - Identical
SN EN ISO 28721-4 : 2016 - Identical
NEN EN ISO 28721-4 : 2015 - Identical
DS EN ISO 28721-4 : 2015 - Identical
BS EN ISO 28721-4 : 2015 - Identical
DIN EN ISO 28721-4 E : 2016 - Identical
I.S. EN ISO 28721-4:2015 - Identical
12/30260512 DC : 0 - Identical
UNE EN ISO 28721-4 : 2015 - Identical
BS ISO 28721-4 : 2010 - Identical
UNI EN ISO 28721-4 : 2013 - Identical
PN EN ISO 28721-4 : 2016 - Identical
NBN EN ISO 28721-4 : 2015 - Identical
NS EN ISO 28721-4 : 2015 - Identical
